diff options
Diffstat (limited to 'apt-pkg/deb/dpkgpm.cc')
| -rw-r--r-- | apt-pkg/deb/dpkgpm.cc | 386 |
1 files changed, 272 insertions, 114 deletions
diff --git a/apt-pkg/deb/dpkgpm.cc b/apt-pkg/deb/dpkgpm.cc index 3c1013761..0ebd9f28b 100644 --- a/apt-pkg/deb/dpkgpm.cc +++ b/apt-pkg/deb/dpkgpm.cc @@ -37,6 +37,7 @@ #include <map> #include <pwd.h> #include <grp.h> +#include <iomanip> #include <termios.h> #include <unistd.h> @@ -52,9 +53,16 @@ class pkgDPkgPMPrivate { public: pkgDPkgPMPrivate() : stdin_is_dev_null(false), dpkgbuf_pos(0), - term_out(NULL), history_out(NULL) + term_out(NULL), history_out(NULL), + last_reported_progress(0.0), nr_terminal_rows(0), + fancy_progress_output(false) { dpkgbuf[0] = '\0'; + if(_config->FindB("Dpkg::Progress-Fancy", false) == true) + { + fancy_progress_output = true; + _config->Set("DpkgPM::Progress", true); + } } bool stdin_is_dev_null; // the buffer we use for the dpkg status-fd reading @@ -63,6 +71,10 @@ public: FILE *term_out; FILE *history_out; string dpkg_error; + + float last_reported_progress; + int nr_terminal_rows; + bool fancy_progress_output; }; namespace @@ -504,145 +516,209 @@ void pkgDPkgPM::DoTerminalPty(int master) void pkgDPkgPM::ProcessDpkgStatusLine(int OutStatusFd, char *line) { bool const Debug = _config->FindB("Debug::pkgDPkgProgressReporting",false); - // the status we output - ostringstream status; - if (Debug == true) std::clog << "got from dpkg '" << line << "'" << std::endl; - /* dpkg sends strings like this: - 'status: <pkg>: <pkg qstate>' - errors look like this: - 'status: /var/cache/apt/archives/krecipes_0.8.1-0ubuntu1_i386.deb : error : trying to overwrite `/usr/share/doc/kde/HTML/en/krecipes/krectip.png', which is also in package krecipes-data - and conffile-prompt like this - 'status: conffile-prompt: conffile : 'current-conffile' 'new-conffile' useredited distedited + 'status: <pkg>: <pkg qstate>' + 'status: <pkg>:<arch>: <pkg qstate>' - Newer versions of dpkg sent also: - 'processing: install: pkg' - 'processing: configure: pkg' - 'processing: remove: pkg' - 'processing: purge: pkg' - 'processing: disappear: pkg' - 'processing: trigproc: trigger' - + 'processing: {install,configure,remove,purge,disappear,trigproc}: pkg' + 'processing: {install,configure,remove,purge,disappear,trigproc}: trigger' */ - char* list[6]; - // dpkg sends multiline error messages sometimes (see - // #374195 for a example. we should support this by - // either patching dpkg to not send multiline over the - // statusfd or by rewriting the code here to deal with - // it. for now we just ignore it and not crash - TokSplitString(':', line, list, sizeof(list)/sizeof(list[0])); - if( list[0] == NULL || list[1] == NULL || list[2] == NULL) + + // we need to split on ": " (note the appended space) as the ':' is + // part of the pkgname:arch information that dpkg sends + // + // A dpkg error message may contain additional ":" (like + // "failed in buffer_write(fd) (10, ret=-1): backend dpkg-deb ..." + // so we need to ensure to not split too much + std::vector<std::string> list = StringSplit(line, ": ", 4); + if(list.size() < 3) { if (Debug == true) std::clog << "ignoring line: not enough ':'" << std::endl; return; } - const char* const pkg = list[1]; - const char* action = _strstrip(list[2]); + + // build the (prefix, pkgname, action) tuple, position of this + // is different for "processing" or "status" messages + std::string prefix = APT::String::Strip(list[0]); + std::string pkgname; + std::string action; + ostringstream status; + + // "processing" has the form "processing: action: pkg or trigger" + // with action = ["install", "configure", "remove", "purge", "disappear", + // "trigproc"] + if (prefix == "processing") + { + pkgname = APT::String::Strip(list[2]); + action = APT::String::Strip(list[1]); + + // this is what we support in the processing stage + if(action != "install" && action != "configure" && + action != "remove" && action != "purge" && action != "purge") + { + if (Debug == true) + std::clog << "ignoring processing action: '" << action + << "'" << std::endl; + return; + } + } + // "status" has the form: "status: pkg: state" + // with state in ["half-installed", "unpacked", "half-configured", + // "installed", "config-files", "not-installed"] + else if (prefix == "status") + { + pkgname = APT::String::Strip(list[1]); + action = APT::String::Strip(list[2]); + } else { + if (Debug == true) + std::clog << "unknown prefix '" << prefix << "'" << std::endl; + return; + } + + + /* handle the special cases first: + + errors look like this: + 'status: /var/cache/apt/archives/krecipes_0.8.1-0ubuntu1_i386.deb : error : trying to overwrite `/usr/share/doc/kde/HTML/en/krecipes/krectip.png', which is also in package krecipes-data + and conffile-prompt like this + 'status: conffile-prompt: conffile : 'current-conffile' 'new-conffile' useredited distedited + */ + if (prefix == "status") + { + if(action == "error") + { + status << "pmerror:" << list[1] + << ":" << (PackagesDone/float(PackagesTotal)*100.0) + << ":" << list[3] + << endl; + if(OutStatusFd > 0) + FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size()); + if (Debug == true) + std::clog << "send: '" << status.str() << "'" << endl; + pkgFailures++; + WriteApportReport(list[1].c_str(), list[3].c_str()); + return; + } + else if(action == "conffile") + { + status << "pmconffile:" << list[1] + << ":" << (PackagesDone/float(PackagesTotal)*100.0) + << ":" << list[3] + << endl; + if(OutStatusFd > 0) + FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size()); + if (Debug == true) + std::clog << "send: '" << status.str() << "'" << endl; + return; + } + } + + // at this point we know that we should have a valid pkgname, so build all + // the info from it + + // dpkg does not send always send "pkgname:arch" so we add it here + // if needed + if (pkgname.find(":") == std::string::npos) + { + // find the package in the group that is in a touched by dpkg + // if there are multiple dpkg will send us a full pkgname:arch + pkgCache::GrpIterator Grp = Cache.FindGrp(pkgname); + if (Grp.end() == false) + { + pkgCache::PkgIterator P = Grp.PackageList(); + for (; P.end() != true; P = Grp.NextPkg(P)) + { + if(Cache[P].Mode != pkgDepCache::ModeKeep) + { + pkgname = P.FullName(); + break; + } + } + } + } + + const char* const pkg = pkgname.c_str(); + std::string short_pkgname = StringSplit(pkgname, ":")[0]; + std::string arch = ""; + if (pkgname.find(":") != string::npos) + arch = StringSplit(pkgname, ":")[1]; + std::string i18n_pkgname = pkgname; + if (arch.size() != 0) + strprintf(i18n_pkgname, "%s (%s)", short_pkgname.c_str(), arch.c_str()); // 'processing' from dpkg looks like // 'processing: action: pkg' - if(strncmp(list[0], "processing", strlen("processing")) == 0) + if(prefix == "processing") { - char s[200]; - const char* const pkg_or_trigger = _strstrip(list[2]); - action = _strstrip( list[1]); const std::pair<const char *, const char *> * const iter = std::find_if(PackageProcessingOpsBegin, PackageProcessingOpsEnd, - MatchProcessingOp(action)); + MatchProcessingOp(action.c_str())); if(iter == PackageProcessingOpsEnd) { if (Debug == true) std::clog << "ignoring unknown action: " << action << std::endl; return; } - snprintf(s, sizeof(s), _(iter->second), pkg_or_trigger); + std::string msg; + strprintf(msg, _(iter->second), short_pkgname.c_str()); - status << "pmstatus:" << pkg_or_trigger + status << "pmstatus:" << short_pkgname << ":" << (PackagesDone/float(PackagesTotal)*100.0) - << ":" << s + << ":" << msg << endl; if(OutStatusFd > 0) FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size()); if (Debug == true) std::clog << "send: '" << status.str() << "'" << endl; - if (strncmp(action, "disappear", strlen("disappear")) == 0) - handleDisappearAction(pkg_or_trigger); - return; - } - - if(strncmp(action,"error",strlen("error")) == 0) - { - // urgs, sometime has ":" in its error string so that we - // end up with the error message split between list[3] - // and list[4], e.g. the message: - // "failed in buffer_write(fd) (10, ret=-1): backend dpkg-deb ..." - // concat them again - if( list[4] != NULL ) - list[3][strlen(list[3])] = ':'; - - status << "pmerror:" << list[1] - << ":" << (PackagesDone/float(PackagesTotal)*100.0) - << ":" << list[3] - << endl; - if(OutStatusFd > 0) - FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size()); - if (Debug == true) - std::clog << "send: '" << status.str() << "'" << endl; - pkgFailures++; - WriteApportReport(list[1], list[3]); + // FIXME: this needs a muliarch testcase + // FIXME2: is "pkgname" here reliable with dpkg only sending us + // short pkgnames? + if (action == "disappear") + handleDisappearAction(pkgname); return; - } - else if(strncmp(action,"conffile",strlen("conffile")) == 0) - { - status << "pmconffile:" << list[1] - << ":" << (PackagesDone/float(PackagesTotal)*100.0) - << ":" << list[3] - << endl; - if(OutStatusFd > 0) - FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size()); - if (Debug == true) - std::clog << "send: '" << status.str() << "'" << endl; - return; - } + } - vector<struct DpkgState> const &states = PackageOps[pkg]; - const char *next_action = NULL; - if(PackageOpsDone[pkg] < states.size()) - next_action = states[PackageOpsDone[pkg]].state; - // check if the package moved to the next dpkg state - if(next_action && (strcmp(action, next_action) == 0)) + if (prefix == "status") { - // only read the translation if there is actually a next - // action - const char *translation = _(states[PackageOpsDone[pkg]].str); - char s[200]; - snprintf(s, sizeof(s), translation, pkg); - - // we moved from one dpkg state to a new one, report that - PackageOpsDone[pkg]++; - PackagesDone++; - // build the status str - status << "pmstatus:" << pkg - << ":" << (PackagesDone/float(PackagesTotal)*100.0) - << ":" << s - << endl; - if(_config->FindB("DPkgPM::Progress", false) == true) - SendTerminalProgress(PackagesDone/float(PackagesTotal)*100.0); - - if(OutStatusFd > 0) - FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size()); - if (Debug == true) - std::clog << "send: '" << status.str() << "'" << endl; + vector<struct DpkgState> const &states = PackageOps[pkg]; + const char *next_action = NULL; + if(PackageOpsDone[pkg] < states.size()) + next_action = states[PackageOpsDone[pkg]].state; + // check if the package moved to the next dpkg state + if(next_action && (action == next_action)) + { + // only read the translation if there is actually a next + // action + const char *translation = _(states[PackageOpsDone[pkg]].str); + std::string msg; + strprintf(msg, translation, short_pkgname.c_str()); + + // we moved from one dpkg state to a new one, report that + PackageOpsDone[pkg]++; + PackagesDone++; + // build the status str + status << "pmstatus:" << short_pkgname + << ":" << (PackagesDone/float(PackagesTotal)*100.0) + << ":" << msg + << endl; + if(_config->FindB("DPkgPM::Progress", false) == true) + SendTerminalProgress(PackagesDone/float(PackagesTotal)*100.0); + + if(OutStatusFd > 0) + FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size()); + if (Debug == true) + std::clog << "send: '" << status.str() << "'" << endl; + } + if (Debug == true) + std::clog << "(parsed from dpkg) pkg: " << short_pkgname + << " action: " << action << endl; } - if (Debug == true) - std::clog << "(parsed from dpkg) pkg: " << pkg - << " action: " << action << endl; } /*}}}*/ // DPkgPM::handleDisappearAction /*{{{*/ @@ -883,10 +959,43 @@ bool pkgDPkgPM::CloseLog() */ void pkgDPkgPM::SendTerminalProgress(float percentage) { - // FIXME: use colors too - std::cout << "\r\n" - << "Progress: [" << percentage << "%]" - << "\r\n"; + int reporting_steps = _config->FindI("DpkgPM::Reporting-Steps", 1); + + if(percentage < (d->last_reported_progress + reporting_steps)) + return; + + std::string progress_str; + strprintf(progress_str, _("Progress: [%3i%%]"), (int)percentage); + if (d->fancy_progress_output) + { + int row = d->nr_terminal_rows; + + static string save_cursor = "\033[s"; + static string restore_cursor = "\033[u"; + + static string set_bg_color = "\033[42m"; // green + static string set_fg_color = "\033[30m"; // black + + static string restore_bg = "\033[49m"; + static string restore_fg = "\033[39m"; + + std::cout << save_cursor + // move cursor position to last row + << "\033[" << row << ";0f" + << set_bg_color + << set_fg_color + << progress_str + << restore_cursor + << restore_bg + << restore_fg; + } + else + { + std::cout << progress_str << "\r\n"; + } + std::flush(std::cout); + + d->last_reported_progress = percentage; } /*}}}*/ /*{{{*/ @@ -910,6 +1019,43 @@ static int racy_pselect(int nfds, fd_set *readfds, fd_set *writefds, return retval; } /*}}}*/ + +void pkgDPkgPM::SetupTerminalScrollArea(int nr_rows) +{ + if(!d->fancy_progress_output) + return; + + // scroll down a bit to avoid visual glitch when the screen + // area shrinks by one row + std::cout << "\n"; + + // save cursor + std::cout << "\033[s"; + + // set scroll region (this will place the cursor in the top left) + std::cout << "\033[1;" << nr_rows - 1 << "r"; + + // restore cursor but ensure its inside the scrolling area + std::cout << "\033[u"; + static const char *move_cursor_up = "\033[1A"; + std::cout << move_cursor_up; + std::flush(std::cout); +} + +void pkgDPkgPM::CleanupTerminal() +{ + // reset scroll area + SetupTerminalScrollArea(d->nr_terminal_rows + 1); + if(d->fancy_progress_output) + { + // override the progress line (sledgehammer) + static const char* clear_screen_below_cursor = "\033[J"; + std::cout << clear_screen_below_cursor; + std::flush(std::cout); + } +} + + // DPkgPM::Go - Run the sequence /*{{{*/ // --------------------------------------------------------------------- /* This globs the operations and calls dpkg @@ -1035,7 +1181,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) if((*I).Pkg.end() == true) continue; - string const name = (*I).Pkg.Name(); + string const name = (*I).Pkg.FullName(); PackageOpsDone[name] = 0; for(int i=0; (DpkgStatesOpMap[(*I).Op][i]).state != NULL; ++i) { @@ -1266,7 +1412,8 @@ bool pkgDPkgPM::Go(int OutStatusFd) _error->PushToStack(); if (tcgetattr(STDOUT_FILENO, &tt) == 0) { - ioctl(0, TIOCGWINSZ, (char *)&win); + ioctl(1, TIOCGWINSZ, (char *)&win); + d->nr_terminal_rows = win.ws_row; if (openpty(&master, &slave, NULL, &tt, &win) < 0) { _error->Errno("openpty", _("Can not write log (%s)"), _("Is /dev/pts mounted?")); @@ -1308,11 +1455,12 @@ bool pkgDPkgPM::Go(int OutStatusFd) << endl; FileFd::Write(OutStatusFd, status.str().c_str(), status.str().size()); } + Child = ExecFork(); - // This is the child if (Child == 0) { + if(slave >= 0 && master >= 0) { setsid(); @@ -1329,7 +1477,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) if (chdir(_config->FindDir("DPkg::Run-Directory","/").c_str()) != 0) _exit(100); - + if (_config->FindB("DPkg::FlushSTDIN",true) == true && isatty(STDIN_FILENO)) { int Flags,dummy; @@ -1345,6 +1493,9 @@ bool pkgDPkgPM::Go(int OutStatusFd) if (fcntl(STDIN_FILENO,F_SETFL,Flags & (~(long)O_NONBLOCK)) < 0) _exit(100); } + // setup terminal + SetupTerminalScrollArea(d->nr_terminal_rows); + SendTerminalProgress(PackagesDone/float(PackagesTotal)*100.0); /* No Job Control Stop Env is a magic dpkg var that prevents it from using sigstop */ @@ -1444,7 +1595,7 @@ bool pkgDPkgPM::Go(int OutStatusFd) tcsetattr(0, TCSAFLUSH, &tt); close(master); } - + // Check for an error code. if (WIFEXITED(Status) == 0 || WEXITSTATUS(Status) != 0) { @@ -1469,12 +1620,19 @@ bool pkgDPkgPM::Go(int OutStatusFd) if(stopOnError) { CloseLog(); + CleanupTerminal(); return false; } } } CloseLog(); - + + // dpkg is done at this point + if(_config->FindB("DPkgPM::Progress", false) == true) + SendTerminalProgress(100); + + CleanupTerminal(); + if (pkgPackageManager::SigINTStop) _error->Warning(_("Operation was interrupted before it could finish")); |